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MathWorks Data Acquisition Toolbox Team

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09 May 2014 Screenshot Data Acquisition Toolbox Support Package for National Instruments NI-DAQmx Devices Acquire and analyze data from NI-DAQmx DAQ devices Author: MathWorks Data Acquisition Toolbox Team nidaqmx, mydaq, elvis 145 0
07 Mar 2014 Screenshot Data Acquisition Toolbox Support Package for Windows Sound Cards Acquire and anlayze sound data from MATLAB Author: MathWorks Data Acquisition Toolbox Team sound card 47 0
17 Jan 2014 Screenshot Data Acquisition Toolbox Support Package for Digilent Analog Discovery Hardware Support Package Installer File that works with Support Package Installer Author: MathWorks Data Acquisition Toolbox Team digilent, analog discovery, potw, pick of the week 86 0
29 Mar 2013 Data Acquisition Toolbox Support Package for Digilent Analog Discovery hardware (R2012a / R2012b) Analog Input/Output (foreground clocked/non-clocked) support for Digilent Analog Discovery. Author: MathWorks Data Acquisition Toolbox Team daq, voltage, analog discovery, digilent, student board, data acquisition tool... 22 0
19 Mar 2013 Screenshot Getting Started with NI myDAQ Code example for acquiring data into MATLAB using myDAQ hardware Author: MathWorks Data Acquisition Toolbox Team mydaq, data acquisition, ni, daq 23 0
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27 Jul 2010 MATLAB Code Example- 24 bit Digital Output using NI USB-6501 Controlling Digital Output from MATLAB Author: MathWorks Data Acquisition Toolbox Team zeta, aplha

I Am Using NI-USB6501.

I am trying to get an output pulse of 100Hz and 5V form USB-6501.
The maximum I am getting is 10Hz.

I changed the output of a pin in a continuous for loop from 0 to 5v (without any delays) and the maximum freq I get is 10Hz.

I tried precise timming by using the timer function and I toggeled the output pin after every 0.001 sec and still the output was 10Hz. Even if I decrease the time period for the timer fcn still I dont get above 10.5Hz.

the code is:

dio=digitalio('nidaq', 'Dev1');
addline(dio, 0:23, 'out');

for i=0:500
putvalue(dio.Line(9:16), [1 1 1 1 1 1 1 0])
putvalue(dio.Line(9:16), [1 1 1 1 1 1 1 1])
end

and by using other method i.e timers

t = timer('TimerFcn',{@abctimer, dio}, 'Period', 0.001,'TasksToExecute', 500,'ExecutionMode', 'fixedRate');

and I toggle the pin in abctimer fcn.
its the same...doesn't go above 10Hz..
I tried both fixedrate and fixeddelay...but no change

17 Jun 2010 Data Acquisition Toolbox Adaptor for VXI Technology devices Data Acquisition Toolbox adaptor for VXI Technology devices Author: MathWorks Data Acquisition Toolbox Team Vallabha, Gautam

In case you have problems with the above adapter: The VTI driver (which happens to be a VXI Plug&Play driver) comes with a COM interface, a MEX file interface, and MATLAB examples for both kinds of interfaces.

The driver for the VTI 1432 (which used to be the HP 1432) can be downloaded from here:
http://www.vtiinstruments.com/DownloadDetails.aspx?ProductId=325

When you install it,
- The COM interface (and MATLAB COM examples) are under C:\Program Files\VXI Technology\ME
- The mex file and MATLAB mex examples are under C:\Program Files\VISA\winnt\vt1432
- The VXIPnP driver is in C:\Program Files\VXI Technology\ME\bin\vt1432_32.dll

Note that you need to install VISA software to use the VXI PnP driver (either Agilent VISA, NI VISA, or Tektronix VISA). For example, here is the Agilent VISA library
http://www.home.agilent.com/agilent/product.jspx?nid=-34466.907863.00&lc=eng&cc=US

09 Dec 2008 Data Acquisition Toolbox Adaptor for VXI Technology devices Data Acquisition Toolbox adaptor for VXI Technology devices Author: MathWorks Data Acquisition Toolbox Team Bucher, Izhak

It does not work, both for 2006b and 2008a

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